monitor changes to website

[Junkone]

is there any ruby gem or library that monitors changes to website. i
want to be able to program with it.
eg product on web is http://beta.changedetection.com/

 

[ThoML]

is there any ruby gem or library that monitors changes to website. i

want to be able to program with it.

You probably should explain in greater detail how you'd like to use
it. websitary[1] does something like this according to its blurb. It's
rather lo-fi though and was meant to be little more than a websec
replacement for personal use.


[1] http://websitiary.rubyforge.org